Home / 26,001,348.30-39,002,022.45-12,564,420.30

Finding the Fourth Proportional to 26,001,348.30, 39,002,022.45 and 12,564,420.30

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Solution

The fourth proportional to 26,001,348.30, 39,002,022.45 and 12,564,420.30 is: 18,846,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001,348.30 : 39,002,022.45 = 12,564,420.30 : x
  2. Step 2: Convert to fraction form
    26,001,348.30/39,002,022.45 = 12,564,420.30/x
  3. Step 3: Cross multiply
    26,001,348.30x = 39,002,022.45 × 12,564,420.30
  4. Step 4: Simplify right side
    26,001,348.30x = 490,037,802,611,835.81
  5. Step 5: Solve for x
    x = 490,037,802,611,835.81/26,001,348.30
  6. Step 6: Final answer
    x = 18,846,630.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.